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Herkimer Diamonds
Herkimer Diamonds
Herkimer Diamonds: Learn the secrets behind finding these interesting doubly terminated quartz crystals.
Most Popular
Rock Photo Galleries Rock Photos: Galleries of  igneous, sedimentary and metamorphic rock photos. They work well with computer projection.
What is geology? What Does a Geologist Do?
Learn about the interesting work of geologists and watch two short videos about the relevance of geology today.
Earth Science What is Earth Science? It is the study of Earth and its neighbors in space. It includes geology, astronomy, meteorology & oceanography.
Maps of over 250 states, countries and provinces   Reference Maps:
  Country Maps
  United States Maps
  Canada Maps
  Satellite Images
  US City Satellite Images
rock tumblers and tumbling instructions Rock Tumblers: Step-by-step guide to tumble-polishing rocks into gemstones. And an article: How to select a tumbler.
meteorites Meteorites: Learn about meteorites from meteorite hunter, Geoffrey Notkin. What are meteorites? irons, stones, stony-irons.
sliding rocks of racetrack playa Sliding Rocks of Racetrack Playa: How these rocks slide across a dry lake bed is a mystery. Learn what is thought to move them. © iStock / S. Hoerold
google map of the San Andreas Fault Google Map - San Andreas Fault: Zoom in to see the approximate location of the San Andreas.
Google map of asteroid impacts. Asteroid Impact Craters! Zoom in on 50 of Earth's largest impact craters with Google Maps.
Diamond Diamond: Articles, news, videos, production data, graphs, and information related to gem and industrial diamond worldwide.
marcellus shale gas Marcellus Shale: The most overlooked resource in the eastern United States!
novarupta the most powerful volcano of the 20th century The Most Powerful Volcanic Eruption of the 20th Century:
For many years the cause of the eruption was thought to be Katmai, but it wasn't Katmai.
Roadside Geology Roadside Geology Guides:
Learn about the geology of your favorite state as seen along the highway. Filled with maps, photos, park locations and detailed descriptions. Get one before your next trip.
blood diamonds What are Blood Diamonds?
Have you seen the movie? Learn what "blood diamond" means.
herkimer diamonds Herkimer Diamonds: Learn how to find these doubly terminated quartz crystals at Herkimer, NY.
sea level rise map Sea Level Rise Map: A Google map that shows what will flood when sea level rises.
Mineral Rights Mineral Rights / Oil & Gas: Who owns the minerals under your land? Have they been sold? Can someone mine without your permission?
What is a geyser? What is a Geyser? Photos and information about geysers from around the world.
tsunami diagram What Causes a Tsunami?
Learn how plate motions trigger earthquakes and tsunamis.
google map of highest points in each state Highest Points in All 50 States: Google map of state high points.
nasa articles and images NASA Images and Articles: Spectacular images of planets and galaxies, NASA missions and discoveries.
what is the Moho What is the Moho? Learn about the Mohorovičić Discontinuity.
yosemite rockfall Spectacular Yosemite Rockfall:A photo sequence of the fall and debris avalanche by Herb Dunn.
Volcanoes Volcanoes! A page that links to all of our volcano articles and to the best volcano information that we could find.
uses of gold The Many Uses of Gold: Learn how the unique properties of gold make it extremely suited for a large number of industrial uses.
Mount Vesuvius Mount Vesuvius: Photos, maps, eruption history, geologic hazards, plate tectonics and more. By Jessica Ball.
Sahara Desert satellite image Sahara Desert Satellite Images: Zoom in on pyramids, craters, volcanoes, dunes, Timbuktu.
East Africa Rift The East Africa Rift System: Learn about the Rift from James Wood and Alex Guth Michigan Technological University.
natural gas plays Natural Gas Shales: What's happening across the US in the : Marcellus, Haynesville, Utica, Fayetteville and Barnett Shales.
Uses of copperUses of Copper: One of the first metals widely used by people. Now it is used in almost every industry around the world.
Elements of Geology a classic text Elements of Geology: A classic geology text written in 1871. The entire book republished here.
LandslideLandslides: A USGS fact sheet explains different types of landslides and the kind of events that might trigger them.
Earth Science Records
World's Highest Mountain
Highest Mountain on Each Continent
Deepest Point in the Ocean
World's Largest Lake
World's Highest Waterfall
World's Deepest Lake
World's Largest Desert
World's Deepest Canyon
World's Largest Earthquake
World's Largest Tsunami
World's Largest Meteorite
The present is the key to the past.
Deepest Erupting Volcano
Deepest Volcano
Deepest Erupting Volcano: Researchers have discovered an erupting volcano at a depth of 4000 feet in the Pacific.
New Earth Science Topics
strange fault behavior Strange Fault Behavior:Some geologic faults that appear strong and stable, slip and slide like weak faults.
Earth's core and magnetic field Earth's Core and Magnetic Field: A NASA/JPL article that explores the dynamics of Earth's core and magnetic field.
Rabaul Volcano Activity at Rabaul Volcano: A satellite image of an ash plume rising from the caldera of Rabaul Volcano in late November, 2009.
Toba supervolcano The Impact of Toba: A new study suggests that the eruption of Toba 73,000 years ago deforested much of central India.
Ethiopia rift Ocean Rifting on Land: Researchers in Ethiopia now have evidence that a new rift there is analogous to an ocean basin rift.
Galeras Volcano is Colombia's most active volcano and threatens 300,000 in the city of Pasto. Article by Jessica Ball.
Hoba Meteorite World's Largest Meteorite: Hoba, a massive piece of iron in Namibia is the largest single meteorite ever found.
Maupiti Island Maupiti Island: Spectacular satellite image showing the central volcanic island, shallow lagoon and fringing coral reefs.
Bathyscaphe Trieste Bathyscaphe Trieste: On January 23, 1960, Jacques Piccard and Don Walsh explored the depths of the Mariana Trench.
Meteorite Men New Meteorite Men Series: The Science Channel begins a new series of Meteorite Men, January 20 at 9:00 PM EST (schedule).
snow in China Heavy Snow in China: This snow highlights features on satellite images that would ordinarily blend into the landscape.
harmful algal blooms Harmful Algal Blooms: HABs are becoming more common and cause public health, environmental and economic problems.
stalagmites and climate Stalagmite Data and California Climate: Droughts in California are linked to Arctic thawing through stalagmite studies.
Gulf coast sediments Gulf Coast Sediment Plumes: Satellite image of sediment plumes in the Gulf of Mexico churned up by Tropical Storm Ida.
Starburst galaxies "Starburst Galaxies": Gamma-ray space telescopes detect galaxies producing new stars at a very rapid rate.
Athabasca oil sands The World's Second Largest Oil Deposit: An introduction to Athabasca oil sands and a satellite view of a mining complex.
Arctic carbon sink The Arctic as a Carbon Sink or a Carbon Source? The Arctic is a long-term carbon sink but a warming climate might change that.
Kilauea Volcanic Activity and Lava Flows on Kilauea: A spectacular NASA image shows flows and craters of the eastern rift zone.
Egypt dust storm Dust Storm Over Egypt and the Mediterranean Sea: A NASA image clearly shows dust plumes streaming far out over the Sea.
GPS Satellites How Do GPS Satellites Know Their Location? A map of Quasars is used as a reference to determine the location of GPS satellites.
rock tumbling instructions Rock Tumbler Instructions: Tumbling is a popular hobby. Here is a set of step-by-step instructions.
El Misti Volcano Spectacular Image of El Misti Volcano: This astronaut photo shows Misti and the dangerous location of Arequipa, Peru.
Glacial dust Glacial Dust off of Alaska's Copper Glacier: A NASA satellite image shows dust streaming out over the Gulf of Alaska.
Enormous volcanic eruption An Enormous Volcanic Eruption Launched a Cold Decade: An eruption in 1809 kicked off a decade of low temperatures.
Volcanic disaster risk Reducing Risk from Volcanic Eruptions: Examples of how USAID's volcano crisis team provides assistance.
Caribbean map Caribbean Oil and Natural Gas: An article covering production, refining and exploration by the Energy Information Administration.
Drill rig U.S. Crude Oil, Natural Gas and Natural Gas Liquids Reserves: A summary by the Energy Information Administration.
Asteroid 2009 VA near miss Asteroid 2009 VA Nearly Hits Earth: Discovered just 15 hours from potential impact - we were almost hit by Asteroid 2009 VA.
Climate change data Arctic Lake Yields 200,000 Year Climate Record: Sediments from an arctic lake survived glaciation and now document past climate.
Mediterranean tsunami Evidence of Mediterranean Tsunamis: Sediment drilling and carbon dating reveals at least four large waves in the last 3500 years.
Ship exhaust trails Ship Exhaust Trails Over the Pacific: An interesting image taken over the US west coast. They look like contrails!
Montserrat Volcano Eruption at Soufriere Hills Volcano: An astronaut photo of Montserrat island shows evidence of the volcano's many eruptions.
Arctic oil and gas Arctic Oil and Natural Gas Potential: A report from EIA.gov provides an overview of Arctic oil and gas resources.
California delta subsidence California Delta Subsidence: Problems in the Sacramento-San Joaquin delta put property and water supplies at risk.
speed of magma How Fast Does Magma Rise? Researchers have determined that magma can rise rapidly in some of the most violent eruptions.
Banded Iron Formations Banded Iron Formations: A new depositional model has been proposed for the origin and environment of the banded iron formations.
New Madrid seismic zone New Madrid Seismic Zone Hazard: Researchers remain concerned about a major destructive earthquake.
Saturn's largest ring The Largest Ring Around Saturn: Spitzer Space Telescope finds an enormous diffuse ring that has escaped detection.
Washington dust storm Dust Storm Over Eastern Washington: NASA satellite image of the October 4, 2009 dust storm.
Geothermal production Hydraulic fracturing for a geothermal well? Oil and gas technology might work to increase the yield of a geothermal well.
Mars meteorite Mars Meteorites: NASA's Mars Rovers are finding some interesting iron meteorites. Check out these images and descriptions.
Oil is found first in the mind.
Earth Science News
New Ideas on Subsurface Water Movement:  Researchers at Oregon State University have made some...

Natural Gas: Transforming Our Energy Future:  In an article on the Journal of American...

Infrared Reveals Near-Earth Objects:  Near-Earth objects are now being identified through infrared...

Natural Gas Prices By State:  The prices paid and received for natural gas...

Arctic Sea Ice Animation:  Earth Observatory has an animation of Arctic sea...

Alabama Gas Shale Research:  "To assist in the development of emerging gas...

Primate Brain and Body Size Evolution:  As man evolved, his brain size increased. However,...

Cameras Detect Nuclear Contamination:  A gamma-ray camera used in hospitals can also...

The Disappearing Water of Napa Valley:  The water used to irrigate the vineyards in...

Final Demolition of Centralia:  Centralia, Pennsylvania is the site of an underground...

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For Teachers
Teacher resources Earth Science Teaching Ideas: Links to some of our own ideas and the best that we could find on the web.
plate tectonics drawing Teaching Plate Tectonics: Ideas for teaching plate tectonics with easy-to-draw illustrations.
Mineral identification chart Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
google earth map of plate tectonics Zoom in on Plate Boundaries! Explore them with Google maps.
geology dictionary Geology Dictionary:
Look up definitions in our free geology dictionary. Hundreds of geology term definitions at your fingertips.
geologic time scale Geologic Time Scale: Printable time scale in MS Word format for teacher or student use.
Category Pages
Climate Change
Diamonds
Earthquakes
Gemstones
Historical Geology
Hurricanes
Impact Events
Minerals		 Oceanography
Oil and Gas
Plate Tectonics
Press Releases
Subsidence
Tsunami
Volcanoes
Water

Rock Photo Collections
phyllite
Rock Photo Galleries:  Igneous Rocks, Metamorphic Rocks, Sedimentary Rocks.
Geologist Information
Geology Jobs Geology Jobs
Geologist Salary Information
What Does a Geologist Do?
Geoscience Societies
Geology Schools
Graduate Study in Geology
Geology Assistantships
Geology Field Camp
Worldwide GeoSurveys

Countries in the News
Afghanistan
Australia
Brazil
Canada
China
Egypt
France
Germany		 India
Iran
Iraq
Israel
Italy
Japan
Mexico
N. Korea 		Pakistan
Philippines
Russia
S. Korea
Spain
Sudan
U.S.A
Venezuela

Interesting
gemstones from the U.S. United States Gemstones: What states produce the most gems?
Ticks and Lyme Disease Avoiding Ticks and Lyme Disease: Geologists and others who work in the field should know about ticks and Lyme disease.
coal through a microscope Coal Through a Microscope: Coal is more than a black rock. It's THE most interesting rock.
download google earth Download Google Earth Free!
High resolution 3D satellite views of Earth. Download it Free.
uses of granite Uses of Granite: The rock used for everything from kitchen counters to street curbing to the facing stone of skyscrapers.
pictures of the universe Pictures of the Universe: Views of the most interesting objects in our universe by NASA.
monitoring volcanoes from space Monitoring Volcanoes From Space: Learn how NASA keeps an eye on remote volcanoes.
homeowners policy Homeowners Insurance: The typical homeowners policy does't cover natural hazards. It is simply a fire and liability policy.
map of the arctic Who Owns the Arctic? USGS estimates that 25% of all new oil & gas will be found in the Arctic.
Observing Earth from Space Observing Earth from Space: Amazing satellite images that help us learn about Earth, appreciate its beauty and discover how it works.
expansive soil Expansive Soil: Causes more damage than earthquakes, floods, hurricanes & tornadoes combined.
Geology underlies it all.

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